Trajectory plots

## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-05 to
## 2021-08-05 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-06 to
## 2021-08-06 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-07 to
## 2021-08-07 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-08 to
## 2021-08-08 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-09 to
## 2021-08-09 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-05 to
## 2021-08-05 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-06 to
## 2021-08-06 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-07 to
## 2021-08-07 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-08 to
## 2021-08-08 in geography '*': no results
## Warning: Fetching confirmed_incidence_num from jhu-csse for 2021-08-09 to
## 2021-08-09 in geography '*': no results